docs: def routingAreaUpdateReject():
      """ROUTING AREA UPDATE REJECT Section 9.4.17"""
      a = TpPd(pd=0x3)
      b = MessageType(mesType=0xb)  # 00001011
      c = GmmCause()
      d = ForceToStandbyAndSpareHalfOctets()
      packet = a / b / c / d
      return packet